Well the theme in general describes how life isn't easy, but you have to push on and not look back.
The mother is telling her child what life was like for her, and how it will be for him, so her advice is to not give up. She says to her son, "<span>I’se been a-climbin’ on" and "</span>So <span>boy, don’t you turn back.". Even though she claims that "</span>
<span>Life for me ain’t been no crystal stair", the theme of this short poem is to not give up to life's adversities. </span>
Education is better than money because in order to get a good paying job you need to have a good level of education completed. If you drop out of highschool or just never completed it then you will never be able to get a high paying job without highschool level education.
I believe the answer is B. Flashback
Hope I helped you today :)
The promise of the new Dragon Army parallels Ender's success against all odds.